@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;1,300&family=DM+Sans:wght@300;400&display=swap');

/* ─── Theme Variables ────────────────────────────────────────────── */
/* Dark mode = default */
:root {
  --bg:               #0e0e0e;
  --text:             #e8e8e8;
  --muted:            #5c5c5c;
  --overlay:          rgba(0, 0, 0, 0.42);
  --nav-bg:           rgba(14, 14, 14, 0.88);
  --nav-mobile-bg:    rgba(14, 14, 14, 0.98);
  --back-btn-bg:      rgba(22, 22, 22, 0.78);
  --back-btn-hover:   rgba(36, 36, 36, 0.97);
  --border:           rgba(255, 255, 255, 0.07);
  --border-form:      rgba(255, 255, 255, 0.12);
  --card-shadow:      0 2px 12px rgba(0,0,0,0.55), 0 8px 28px rgba(0,0,0,0.6);
  --card-shadow-fan:  0 12px 52px rgba(0,0,0,0.85), 0 0 0 1px rgba(255,255,255,0.06);
  --submit-hover-bg:  #cbcbcb;
  --placeholder:      rgba(255, 255, 255, 0.18);
  --social-color:     rgba(255, 255, 255, 0.28);
  --divider:          rgba(255, 255, 255, 0.1);

  --nav-height:       64px;
  --ease-slow:        cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-smooth:      cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring:      cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Light mode override */
:root.light-mode {
  --bg:               #fafafa;
  --text:             #111111;
  --muted:            #888888;
  --overlay:          rgba(0, 0, 0, 0.42);
  --nav-bg:           rgba(250, 250, 250, 0.88);
  --nav-mobile-bg:    rgba(250, 250, 250, 0.98);
  --back-btn-bg:      rgba(255, 255, 255, 0.72);
  --back-btn-hover:   rgba(255, 255, 255, 0.97);
  --border:           rgba(0, 0, 0, 0.07);
  --border-form:      rgba(0, 0, 0, 0.13);
  --card-shadow:      0 2px 8px rgba(0,0,0,0.08), 0 8px 24px rgba(0,0,0,0.1);
  --card-shadow-fan:  0 12px 48px rgba(0,0,0,0.2);
  --submit-hover-bg:  #333333;
  --placeholder:      rgba(0, 0, 0, 0.2);
  --social-color:     rgba(0, 0, 0, 0.35);
  --divider:          rgba(0, 0, 0, 0.12);
}

/* ─── Reset ─────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  opacity: 0;
  /* page-fade + theme-color transitions together */
  transition:
    opacity 500ms ease,
    background-color 400ms ease,
    color 400ms ease;
}

body.page-visible {
  opacity: 1;
}

body.page-exiting {
  opacity: 0;
  transition: opacity 280ms ease;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
}

/* ─── Animations ─────────────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration:   0.01ms !important;
    transition-duration:  0.01ms !important;
    animation-delay:      0.01ms !important;
  }
  body { opacity: 1 !important; }
}

/* ─── Navigation ─────────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background-color 400ms ease, border-color 400ms ease;
}

.nav-brand {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: 0.95rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text);
  transition: opacity 250ms ease;
}

.nav-brand:hover { opacity: 0.55; }

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 250ms ease;
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--text);
  transition: width 320ms var(--ease-slow);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* ─── Theme Toggle ───────────────────────────────────────────────── */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 34px;
  height: 34px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  flex-shrink: 0;
  margin-left: 1.5rem;
  transition:
    color 250ms ease,
    border-color 250ms ease,
    background-color 250ms ease,
    transform 450ms var(--ease-spring);
}

.theme-toggle:hover {
  color: var(--text);
  border-color: var(--text);
  transform: rotate(22deg);
}

.theme-toggle svg {
  width: 15px;
  height: 15px;
  pointer-events: none;
}

/* Show/hide sun vs moon based on mode */
.icon-sun  { display: none; }
.icon-moon { display: block; }

:root.light-mode .icon-sun  { display: block; }
:root.light-mode .icon-moon { display: none; }

/* Fixed standalone toggle (landing + photo pages) */
.theme-toggle-fixed {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  background: var(--back-btn-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 42px;
  height: 42px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  margin-left: 0;
  transition:
    color 250ms ease,
    border-color 250ms ease,
    background-color 250ms ease,
    transform 450ms var(--ease-spring);
}

.theme-toggle-fixed:hover {
  background: var(--back-btn-hover);
  transform: rotate(22deg) scale(1.06);
}

.theme-toggle-fixed svg {
  width: 16px;
  height: 16px;
  pointer-events: none;
}

/* ─── Hamburger ──────────────────────────────────────────────────── */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  font-size: 1.2rem;
  padding: 0.3rem;
  line-height: 1;
  transition: opacity 200ms ease;
}

.nav-toggle:hover { opacity: 0.55; }

/* ─── Page Content ───────────────────────────────────────────────── */
.page-content {
  padding-top: var(--nav-height);
  min-height: 100vh;
}

/* ─── Gallery Header ─────────────────────────────────────────────── */
.gallery-header {
  padding: 4.5rem 2.5rem 2.5rem;
}

.gallery-title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  letter-spacing: 0.02em;
  line-height: 1;
  color: var(--text);
  animation: fadeInUp 700ms var(--ease-smooth) both;
}

.gallery-count {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.85rem;
  animation: fadeInUp 700ms var(--ease-smooth) 120ms both;
}

/* ─── Gallery Grid ───────────────────────────────────────────────── */
.gallery-grid {
  columns: 3 280px;
  column-gap: 10px;
  padding: 0.5rem 2.5rem 5rem;
}

.gallery-card {
  break-inside: avoid;
  margin-bottom: 10px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  display: block;
  will-change: transform, opacity;
  opacity: 0;
  animation: fadeInUp 600ms var(--ease-smooth) both;
  animation-play-state: paused;
}

.gallery-card.in-view {
  animation-play-state: running;
}

.gallery-card img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 800ms var(--ease-slow);
  will-change: transform;
}

.gallery-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--overlay);
  opacity: 0;
  transition: opacity 450ms ease;
  pointer-events: none;
}

.gallery-card:hover img  { transform: scale(1.04); }
.gallery-card:hover::after { opacity: 1; }

/* ─── Landing Page ───────────────────────────────────────────────── */
.landing {
  height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.landing-brand {
  text-align: center;
  padding: 2.2rem 0 1.8rem;
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: clamp(0.85rem, 2vw, 1.2rem);
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: var(--text);
  flex-shrink: 0;
  animation: fadeInUp 900ms var(--ease-smooth) 200ms both;
  position: relative;
  z-index: 5;
  transition: color 400ms ease;
}

.doors {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.door {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: pointer;
  transition: flex 650ms var(--ease-slow), background-color 400ms ease;
  background: var(--bg);
  min-width: 0;
}

.door + .door {
  border-left: 1px solid var(--border);
}

/* divider stays fixed — hover only fans the cards */

/* Card Stack */
.card-stack {
  position: relative;
  width: 260px;
  height: 360px;
  flex-shrink: 0;
}

.card-stack .card {
  position: absolute;
  inset: 0;
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
  transition:
    transform 650ms var(--ease-slow),
    box-shadow 650ms ease;
  will-change: transform;
}

.card-stack .card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
}

/* Default: messy deck */
.card-stack .card:nth-child(1) { transform: rotate(-2deg)   translate(0,    0);    z-index: 5; }
.card-stack .card:nth-child(2) { transform: rotate(2.5deg)  translate(6px,  4px);  z-index: 4; }
.card-stack .card:nth-child(3) { transform: rotate(-1deg)   translate(-5px, 8px);  z-index: 3; }
.card-stack .card:nth-child(4) { transform: rotate(4deg)    translate(10px, 12px); z-index: 2; }
.card-stack .card:nth-child(5) { transform: rotate(-3.5deg) translate(-9px, 16px); z-index: 1; }

/* Fan out on door hover */
.door:hover .card-stack .card:nth-child(1) { transform: rotate(-20deg)  translate(-105px, -12px); box-shadow: var(--card-shadow-fan); }
.door:hover .card-stack .card:nth-child(2) { transform: rotate(-10deg)  translate(-52px,   -5px); box-shadow: var(--card-shadow-fan); }
.door:hover .card-stack .card:nth-child(3) { transform: rotate(0deg)    translate(0,         0);  box-shadow: var(--card-shadow-fan); }
.door:hover .card-stack .card:nth-child(4) { transform: rotate(10deg)   translate(52px,    -5px); box-shadow: var(--card-shadow-fan); }
.door:hover .card-stack .card:nth-child(5) { transform: rotate(20deg)   translate(105px,  -12px); box-shadow: var(--card-shadow-fan); }

/* ─── Landing Bio Link ───────────────────────────────────────────── */
.landing-bio-link {
  position: absolute;
  bottom: 2rem;
  left: 0;
  right: 0;
  margin: 0 auto;
  width: fit-content;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem 0.45rem 0.8rem;
  background: var(--back-btn-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  animation: fadeIn 700ms var(--ease-smooth) 900ms both;
  transition:
    color 250ms ease,
    background-color 250ms ease,
    border-color 250ms ease,
    transform 250ms var(--ease-spring);
  will-change: transform;
}

.landing-bio-link:hover {
  color: var(--text);
  background: var(--back-btn-hover);
  border-color: var(--text);
  transform: translateY(-2px);
}

.landing-bio-link svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

.door-label {
  position: absolute;
  bottom: 2.8rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text);
  white-space: nowrap;
  animation: fadeInUp 900ms var(--ease-smooth) 700ms both;
  transition: color 400ms ease;
}

.door-label::after {
  content: '';
  display: block;
  width: 0;
  height: 1px;
  background: var(--text);
  margin: 0.45rem auto 0;
  transition: width 420ms var(--ease-slow), background-color 400ms ease;
}

.door:hover .door-label::after { width: 100%; }

/* ─── Photo Viewer ───────────────────────────────────────────────── */
body[data-page="photo"] {
  overflow: hidden;
  background: var(--bg);
}

.photo-viewer {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 400ms ease;
}

.photo-viewer-img-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  touch-action: none;
}

.photo-viewer-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  cursor: zoom-in;
  transition: opacity 300ms ease, transform 300ms ease;
  will-change: transform, opacity;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: auto;
}

.photo-viewer-img.zoomed  { cursor: grab; }
.photo-viewer-img.dragging { cursor: grabbing; transition: opacity 300ms ease; }

/* ─── Back Button ────────────────────────────────────────────────── */
.back-btn {
  position: fixed;
  top: 1.5rem;
  left: 1.5rem;
  z-index: 200;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 1.1rem 0.55rem 0.85rem;
  background: var(--back-btn-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  cursor: pointer;
  border: 1px solid var(--border);
  transition:
    background-color 260ms ease,
    border-color 260ms ease,
    color 260ms ease,
    transform 260ms var(--ease-spring);
  will-change: transform;
  text-decoration: none;
}

.back-btn:hover {
  background: var(--back-btn-hover);
  transform: scale(1.04);
  border-color: var(--text);
}

.back-btn svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  transition: transform 260ms ease;
}

.back-btn:hover svg { transform: translateX(-3px); }

/* ─── Prev / Next ────────────────────────────────────────────────── */
.nav-photo-btn {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  background: var(--back-btn-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 50%;
  cursor: pointer;
  border: 1px solid var(--border);
  transition:
    background-color 260ms ease,
    border-color 260ms ease,
    transform 260ms var(--ease-spring);
  will-change: transform;
  color: var(--text);
}

.nav-photo-btn:hover {
  background: var(--back-btn-hover);
  border-color: var(--text);
}

.nav-photo-btn.prev { left: 1.5rem; }
.nav-photo-btn.next { right: 1.5rem; }

.nav-photo-btn.prev:hover { transform: translateY(-50%) scale(1.08) translateX(-2px); }
.nav-photo-btn.next:hover { transform: translateY(-50%) scale(1.08) translateX(2px);  }

.nav-photo-btn svg { width: 17px; height: 17px; }

/* ─── Image Counter ──────────────────────────────────────────────── */
.photo-counter {
  position: fixed;
  bottom: 1.6rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
  animation: fadeIn 400ms ease both;
  transition: color 400ms ease;
}

/* ─── Bio Page ───────────────────────────────────────────────────── */
.bio-page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 5.5rem 2.5rem 7rem;
}

.bio-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 5rem;
  align-items: start;
}

.bio-photo {
  width: 100%;
  height: auto;
  display: block;
  animation: fadeInUp 800ms var(--ease-smooth) 80ms both;
}

.bio-name {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: clamp(2.8rem, 9vw, 6rem);
  letter-spacing: 0.02em;
  line-height: 1.02;
  margin-bottom: 1.1rem;
  animation: fadeInUp 800ms var(--ease-smooth) 80ms both;
}

.bio-subtitle {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 3rem;
  animation: fadeInUp 800ms var(--ease-smooth) 220ms both;
  transition: color 400ms ease;
}

.bio-body {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text);
  max-width: 540px;
  animation: fadeInUp 800ms var(--ease-smooth) 360ms both;
}

.bio-divider {
  width: 36px;
  height: 1px;
  background: var(--divider);
  margin: 4rem 0;
  animation: fadeInUp 800ms var(--ease-smooth) 480ms both;
  transition: background-color 400ms ease;
}

.contact-heading {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  letter-spacing: 0.02em;
  margin-bottom: 2.2rem;
  animation: fadeInUp 800ms var(--ease-smooth) 560ms both;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  animation: fadeInUp 800ms var(--ease-smooth) 650ms both;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-group label {
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 400ms ease;
}

.form-group input,
.form-group textarea {
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--text);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-form);
  padding: 0.65rem 0;
  outline: none;
  transition: border-color 300ms ease, color 400ms ease;
  resize: none;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--placeholder);
}

.form-group input:focus,
.form-group textarea:focus {
  border-bottom-color: var(--text);
}

.form-group textarea {
  min-height: 130px;
  line-height: 1.7;
}

/* Submit button uses --text as bg, --bg as text — works in both modes */
.form-submit {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--text);
  border: none;
  padding: 1rem 2.8rem;
  cursor: pointer;
  align-self: flex-start;
  transition:
    background-color 250ms ease,
    color 400ms ease,
    transform 220ms var(--ease-spring);
  border-radius: 1px;
}

.form-submit:hover {
  background: var(--submit-hover-bg);
  transform: translateY(-2px);
}

.form-submit:active { transform: translateY(0); }

/* Social Icons */
.social-row {
  display: flex;
  gap: 1.6rem;
  align-items: center;
  margin-top: 3.5rem;
  animation: fadeInUp 800ms var(--ease-smooth) 780ms both;
}

.social-link {
  color: var(--social-color);
  transition: color 250ms ease, transform 250ms var(--ease-spring);
  display: flex;
  align-items: center;
}

.social-link:hover {
  color: var(--text);
  transform: translateY(-2px);
}

.social-link svg { width: 20px; height: 20px; }

/* ─── Footer ─────────────────────────────────────────────────────── */
.site-footer {
  padding: 2rem 2.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
  transition: border-color 400ms ease, color 400ms ease;
}

/* ─── Gallery Sections (grouped galleries) ───────────────────────── */
.gallery-section {
  margin-bottom: 1rem;
}

.gallery-section-title {
  font-size: 0.63rem;
  font-weight: 400;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 2.8rem 2.5rem 1.4rem;
  transition: color 400ms ease;
}

/* ─── 4-Card Stack variant ───────────────────────────────────────── */
.card-stack--4 .card:nth-child(1) { transform: rotate(-2deg)   translate(0,    0);    z-index: 4; }
.card-stack--4 .card:nth-child(2) { transform: rotate(2.5deg)  translate(6px,  4px);  z-index: 3; }
.card-stack--4 .card:nth-child(3) { transform: rotate(-1deg)   translate(-5px, 8px);  z-index: 2; }
.card-stack--4 .card:nth-child(4) { transform: rotate(4deg)    translate(10px, 12px); z-index: 1; }

.door:hover .card-stack--4 .card:nth-child(1) { transform: rotate(-18deg)  translate(-90px, -10px); box-shadow: var(--card-shadow-fan); }
.door:hover .card-stack--4 .card:nth-child(2) { transform: rotate(-6deg)   translate(-30px,  -3px); box-shadow: var(--card-shadow-fan); }
.door:hover .card-stack--4 .card:nth-child(3) { transform: rotate(6deg)    translate(30px,   -3px); box-shadow: var(--card-shadow-fan); }
.door:hover .card-stack--4 .card:nth-child(4) { transform: rotate(18deg)   translate(90px,  -10px); box-shadow: var(--card-shadow-fan); }

/* ─── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .gallery-grid { columns: 2 240px; }

  .card-stack { width: 210px; height: 290px; }

  .door:hover .card-stack .card:nth-child(1) { transform: rotate(-20deg) translate(-78px, -10px); }
  .door:hover .card-stack .card:nth-child(2) { transform: rotate(-10deg) translate(-38px,  -4px); }
  .door:hover .card-stack .card:nth-child(3) { transform: rotate(0deg)   translate(0,         0); }
  .door:hover .card-stack .card:nth-child(4) { transform: rotate(10deg)  translate(38px,    -4px); }
  .door:hover .card-stack .card:nth-child(5) { transform: rotate(20deg)  translate(78px,  -10px); }

  .door:hover .card-stack--4 .card:nth-child(1) { transform: rotate(-18deg) translate(-68px,  -8px); }
  .door:hover .card-stack--4 .card:nth-child(2) { transform: rotate(-6deg)  translate(-23px,  -3px); }
  .door:hover .card-stack--4 .card:nth-child(3) { transform: rotate(6deg)   translate(23px,   -3px); }
  .door:hover .card-stack--4 .card:nth-child(4) { transform: rotate(18deg)  translate(68px,   -8px); }

  .gallery-section-title { padding: 2.2rem 2rem 1.2rem; }
}

@media (max-width: 640px) {
  :root { --nav-height: 56px; }

  .site-nav { padding: 0 1.25rem; }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--nav-mobile-bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0 1rem;
    border-bottom: 1px solid var(--border);
    animation: fadeInUp 200ms ease both;
    transition: background-color 400ms ease;
  }

  .nav-links.open { display: flex; }

  .nav-links li  { width: 100%; }
  .nav-links a   { display: block; padding: 0.85rem 1.5rem; }
  .nav-links a::after { display: none; }

  .nav-toggle { display: block; }

  .theme-toggle { margin-left: 0.75rem; }

  .doors { flex-direction: column; }

  .door + .door { border-left: none; border-top: 1px solid var(--border); }

  .card-stack { width: 160px; height: 220px; }

  .door:hover .card-stack .card:nth-child(1) { transform: rotate(-20deg) translate(-62px, -8px);  }
  .door:hover .card-stack .card:nth-child(2) { transform: rotate(-10deg) translate(-31px, -3px);  }
  .door:hover .card-stack .card:nth-child(3) { transform: rotate(0deg)   translate(0, 0);          }
  .door:hover .card-stack .card:nth-child(4) { transform: rotate(10deg)  translate(31px, -3px);   }
  .door:hover .card-stack .card:nth-child(5) { transform: rotate(20deg)  translate(62px, -8px);   }

  .door:hover .card-stack--4 .card:nth-child(1) { transform: rotate(-18deg) translate(-52px, -6px); }
  .door:hover .card-stack--4 .card:nth-child(2) { transform: rotate(-6deg)  translate(-17px, -2px); }
  .door:hover .card-stack--4 .card:nth-child(3) { transform: rotate(6deg)   translate(17px,  -2px); }
  .door:hover .card-stack--4 .card:nth-child(4) { transform: rotate(18deg)  translate(52px,  -6px); }

  .gallery-grid   { columns: 1; padding: 0 1.25rem 3.5rem; }
  .gallery-header { padding: 3rem 1.25rem 1.75rem; }
  .gallery-section-title { padding: 2rem 1.25rem 1rem; }
  .bio-page       { padding: 4rem 1.25rem 5rem; }
  .bio-layout     { grid-template-columns: 1fr; gap: 2.5rem; }
  .bio-photo      { max-width: 100%; }

  .back-btn        { top: 1rem; left: 1rem; }
  .nav-photo-btn.prev { left: 0.75rem; }
  .nav-photo-btn.next { right: 0.75rem; }
  .theme-toggle-fixed { top: 1rem; right: 1rem; }

  .site-footer {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
    padding: 1.5rem 1.25rem;
  }
}